{"cve":"CVE-2014-8121","nvd":{"published":"2015-03-27T14:59:03.353","modified":"2026-06-17T00:16:19.183","status":"Modified","description":"DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up on a database while iterating over it, which triggers the file pointer to be reset.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-17"],"references":["http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00019.html","http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html","http://rhn.redhat.com/errata/RHSA-2015-0327.html","http://www.debian.org/security/2016/dsa-3480","http://www.securityfocus.com/bid/73038"],"products":["canonical:ubuntu_linux","gnu:glibc","suse:suse_linux_enterprise_desktop","suse:suse_linux_enterprise_server"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2014-8121","score":0.05609,"percentile":0.92915,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}